cpukit/dev/can: Added CAN support

spec/build/cpukit/librtemscpu.yml

@@ -52,6 +52,11 @@ install:
 - destination: ${BSP_INCLUDEDIR}/dev/spi
   source:
   - cpukit/include/dev/spi/spi.h
+- destination: ${BSP_INCLUDEDIR}/dev/can
+  source:
+  - cpukit/include/dev/can/can.h
+  - cpukit/include/dev/can/can-msg.h
+  - cpukit/include/dev/can/canqueueimpl.h
 - destination: ${BSP_INCLUDEDIR}/linux
   source:
   - cpukit/include/linux/i2c-dev.h
@@ -535,6 +540,7 @@ source:
 - cpukit/dev/serial/sc16is752-spi.c
 - cpukit/dev/serial/sc16is752.c
 - cpukit/dev/spi/spi-bus.c
+- cpukit/dev/can/can.c
 - cpukit/dtc/libfdt/fdt.c
 - cpukit/dtc/libfdt/fdt_addresses.c
 - cpukit/dtc/libfdt/fdt_empty_tree.c

spec/build/testsuites/libtests/can01.yml

@@ -0,0 +1,20 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: test-program
+cflags: []
+copyrights:
+- Copyright (c) 2022 Prashanth S (fishesprashanth@gmail.com).
+cppflags: []
+cxxflags: []
+enabled-by: true
+features: c cprogram
+includes: []
+ldflags: []
+links: []
+source:
+- testsuites/libtests/can01/init.c
+- testsuites/libtests/can01/can-loopback.c
+stlib: []
+target: testsuites/libtests/can01.exe
+type: build
+use-after: []
+use-before: []

spec/build/testsuites/libtests/grp.yml

@@ -76,6 +76,8 @@ links:
   uid: cpuuse
 - role: build-dependency
   uid: crypt01
+- role: build-dependency
+  uid: can01
 - role: build-dependency
   uid: debugger01
 - role: build-dependency